GitLab Community Edition/Enterprise Edition up to 18.2.7/18.3.3/18.4.1 HTTP allocation of resources

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in GitLab Community Edition and Enterprise Edition up to 18.2.7/18.3.3/18.4.1. Affected by this vulnerability is an unknown functionality of the component HTTP Handler. Executing a manipulation can lead to allocation of resources. This vulnerability is tracked as CVE-2025-2934. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in GitLab Community Edition and Enterprise Edition up to 18.2.7/18.3.3/18.4.1 and classified as problematic. This vulnerability affects an unknown function of the component HTTP Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. CVE summarizes:

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 5.2 prior to 18.2.8, 18.3 prior to 18.3.4, and 18.4 prior to 18.4.2 that could have allowed an authenticated attacker to create a denial of service condition by configuring malicious webhook endpoints that send crafted HTTP responses.

The weakness was disclosed by ppee. The advisory is shared for download at about.gitlab.com. This vulnerability was named CVE-2025-2934 since 03/28/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 269801 (GitLab 5.2 < 18.2.8 / 18.3 < 18.3.4 / 18.4 < 18.4.2 (CVE-2025-2934)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.2.8, 18.3.4 or 18.4.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (269801), EUVD (EUVD-2025-33330) and CERT Bund (WID-SEC-2025-2236). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Open Source GitLab

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

CNA Base Score: 4.3
CNA Vector (GitLab): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 269801
Nessus Name: GitLab 5.2 < 18.2.8 / 18.3 < 18.3.4 / 18.4 < 18.4.2 (CVE-2025-2934)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Community Edition/Enterprise Edition 18.2.8/18.3.4/18.4.2

Timelineinfo

03/28/2025 CVE reserved
10/09/2025 +194 days Advisory disclosed
10/09/2025 +0 days VulDB entry created
11/22/2025 +44 days VulDB entry last update

Sourcesinfo

Vendor: gitlab.com

Advisory: about.gitlab.com
Researcher: ppee
Status: Confirmed

CVE: CVE-2025-2934 (🔒)
GCVE (CVE): GCVE-0-2025-2934
GCVE (VulDB): GCVE-100-327712
EUVD: 🔒
CERT Bund: WID-SEC-2025-2236 - GitLab: Mehrere Schwachstellen

Entryinfo

Created: 10/09/2025 13:51
Updated: 11/22/2025 01:26
Changes: 10/09/2025 13:51 (65), 10/09/2025 16:08 (1), 10/10/2025 14:05 (2), 10/10/2025 21:28 (7), 10/20/2025 23:18 (11), 11/22/2025 01:26 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!